diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0118ec0..af0cb21 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 image: docker:18.09.7-dind
- services:
-   - docker:18.09.7-dind
+services:
+  - docker:18.09.7-dind
 variables:
   DOCKER_DRIVER: overlay
   DOCKER_HOST: tcp://localhost:2375/